a-a a-c a-q aaa aac aao aaq aas aau ac- aca acc aco acq acs acu aoa aoc aoo aos aou aqa aqc aqo aqs as- asa asc aso asq ass asu au- aua auc auo aus c-- caa cac cao caq cas cau cca ccc cco ccs ccu co- coa coc coo coq cos cou cqa cqc cqo cqs csa csc cso csq css csu cua cuc cuo cuq cus cuu oaa oac oao oaq oas oau oc- oca occ oco ocs ocu oo- ooa ooc ooo oos oqo os- osa osc oso osq oss osu ou- oua ouc ouo ous qaa qac qas qau qca qcc qco qcs qoo qos qqq qqu qsa qsc qso qu- qua quo qus saa sac sao saq sas sau sca scc sco scs scu soa soc soo soq sos sou sqa sqq sqs ss- ssa ssc sso ssq sss ssu sua suc suo suq sus suu ua- uaa uac uao uaq uas uau uca ucc uco ucs ucu uoa uoc uoo uos usa usc uso uss usu uua uuc uus uuu